Base | Representation |
---|---|
bin | 1010011101011001… |
… | …1001110110110000 |
3 | 21020200010022122001 |
4 | 2213112121312300 |
5 | 21222230340034 |
6 | 1142334023344 |
7 | 126401533261 |
oct | 24726316660 |
9 | 7220108561 |
10 | 2807668144 |
11 | 12109456a6 |
12 | 664347b54 |
13 | 3598b35c8 |
14 | 1c8c5c968 |
15 | 116751a14 |
hex | a7599db0 |
2807668144 has 40 divisors (see below), whose sum is σ = 5808413952. Its totient is φ = 1311562560.
The previous prime is 2807668139. The next prime is 2807668153. The reversal of 2807668144 is 4418667082.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a junction number, because it is equal to n+sod(n) for n = 2807668094 and 2807668103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72892 + ... + 104539.
Almost surely, 22807668144 is an apocalyptic number.
It is an amenable number.
2807668144 is an abundant number, since it is smaller than the sum of its proper divisors (3000745808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2807668144 is a wasteful number, since it uses less digits than its factorization.
2807668144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177505 (or 177499 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 46.
The square root of 2807668144 is about 52987.4338310509. The cubic root of 2807668144 is about 1410.7452331976.
The spelling of 2807668144 in words is "two billion, eight hundred seven million, six hundred sixty-eight thousand, one hundred forty-four".
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